test: generate a few additional test scenarios

Author: KyleKing

tests/fixtures.md

@@ -203,3 +203,287 @@ Footnote in table nested in admonition (issue #22)
 
 [^6]: Yellow
 .
+
+
+Multiple references to same footnote with subIds
+.
+First [^1] and second [^1] and third [^1]
+
+[^1]: Shared footnote
+.
+First [^1] and second [^1] and third [^1]
+
+[^1]: Shared footnote
+.
+
+
+Orphan footnotes (defined but never referenced)
+.
+Referenced [^used]
+
+[^orphan]: This is never referenced
+
+[^used]: This is used
+
+[^another-orphan]: Also unused
+.
+Referenced [^used]
+
+[^orphan]: This is never referenced
+
+[^used]: This is used
+
+[^another-orphan]: Also unused
+.
+
+
+Chained nested footnote references (A references B, B references C)
+.
+[^a]: References B [^b]
+
+[^b]: References C [^c]
+
+[^c]: Final one
+
+Start [^a]
+.
+Start [^a]
+
+[^a]: References B [^b]
+
+[^b]: References C [^c]
+
+[^c]: Final one
+.
+
+
+Complex mixed ordering with multiple references
+.
+[^z]: Defined first
+
+[^a]: Defined second
+
+Text [^a] then [^z] then [^a] again
+.
+Text [^a] then [^z] then [^a] again
+
+[^z]: Defined first
+
+[^a]: Defined second
+.
+
+
+Footnote referenced in body and within another footnote
+.
+[^x]: Simple
+
+[^y]: Contains [^x] reference
+
+Body [^x] and [^y]
+.
+Body [^x] and [^y]
+
+[^x]: Simple
+
+[^y]: Contains [^x] reference
+.
+
+
+Deeply nested: footnote in list in footnote
+.
+[^outer]: List item:
+    - Item with [^inner] reference
+    - Another item
+
+[^inner]: Inner content
+
+Text [^outer]
+.
+Text [^outer]
+
+[^outer]: List item:
+
+    - Item with [^inner] reference
+    - Another item
+
+[^inner]: Inner content
+.
+
+
+Multiple footnotes in nested structures
+.
+[^1]: First
+
+[^2]: Second with [^1]
+
+[^3]: Third with [^2] and [^1]
+
+Body: [^3] [^2] [^1]
+.
+Body: [^3] [^2] [^1]
+
+[^1]: First
+
+[^2]: Second with [^1]
+
+[^3]: Third with [^2] and [^1]
+.
+
+
+Reordering with mixed body and nested references
+.
+[^c]: Defined first
+
+[^b]: Defined second [^c]
+
+[^a]: Defined third [^b]
+
+Body [^a] [^b] [^c]
+.
+Body [^a] [^b] [^c]
+
+[^c]: Defined first
+
+[^b]: Defined second [^c]
+
+[^a]: Defined third [^b]
+.
+
+
+Footnotes with same reference appearing in body and definitions
+.
+[^shared]: Base note
+
+[^wrapper]: Contains [^shared]
+
+First [^shared] in body, then [^wrapper]
+.
+First [^shared] in body, then [^wrapper]
+
+[^shared]: Base note
+
+[^wrapper]: Contains [^shared]
+.
+
+
+Complex scenario: multiple refs, nesting, and reordering
+.
+[^z]: Last defined [^a]
+
+[^m]: Middle defined
+
+[^a]: First defined [^m]
+
+Body [^m] [^a] [^z] [^m]
+.
+Body [^m] [^a] [^z] [^m]
+
+[^z]: Last defined [^a]
+
+[^m]: Middle defined
+
+[^a]: First defined [^m]
+.
+
+
+Footnote in blockquote with nested reference
+.
+[^inner]: Inner note
+
+[^outer]: Quote:
+    > Blockquote with [^inner]
+
+Text [^outer]
+.
+Text [^outer]
+
+[^inner]: Inner note
+
+[^outer]: Quote:
+
+    > Blockquote with [^inner]
+.
+
+
+Three-level deep nesting
+.
+[^1]: Level 1
+
+[^2]: Level 2 [^1]
+
+[^3]: Level 3 [^2]
+
+Start [^3]
+.
+Start [^3]
+
+[^1]: Level 1
+
+[^2]: Level 2 [^1]
+
+[^3]: Level 3 [^2]
+.
+
+
+Mixed orphans and referenced with complex ordering
+.
+[^used-first]: Used
+
+[^orphan-1]: Never used
+
+[^used-second]: Also used [^used-first]
+
+[^orphan-2]: Also never used
+
+Body [^used-second] [^used-first]
+.
+Body [^used-second] [^used-first]
+
+[^used-first]: Used
+
+[^orphan-1]: Never used
+
+[^used-second]: Also used [^used-first]
+
+[^orphan-2]: Also never used
+.
+
+
+Footnotes in table cells with cross-references
+.
+[^1]: First
+
+[^2]: Second [^1]
+
+| Col A | Col B |
+| ----- | ----- |
+| A [^1] | B [^2] |
+.
+| Col A | Col B |
+| ----- | ----- |
+| A [^1] | B [^2] |
+
+[^1]: First
+
+[^2]: Second [^1]
+.
+
+
+Same footnote multiple times in same and different contexts
+.
+[^repeat]: Repeated note
+
+Para 1: [^repeat] [^repeat]
+
+[^nested]: Has [^repeat] inside
+
+Para 2: [^nested] [^repeat]
+.
+Para 1: [^repeat] [^repeat]
+
+Para 2: [^nested] [^repeat]
+
+[^repeat]: Repeated note
+
+[^nested]: Has [^repeat] inside
+.